I / dentist / to / last Monday / go
I had to go to dentist last Monday
I / nothing / know / about / so / grammar / I / find / information / more
I know nothing about grammar, so I have to find more information
? / Alice / at 10 o’clock / go to bed / every day
Does Alice have to go to bed at 10 o'clock every day?
? / yesterday / do / you / your homework
Did you have to do your homework yesterday?
? / Tim / wear / at school / uniform
Does Tim have to wear uniform at school
Kate / to come / because / earlier / she / has / today / an additional Math class
Kate has to come earlier today because she has an additional Math class today
? / we / clean / today / the toilet
Do we have to clean the toilet today.
cross the road / you / traffic light / red / is / when
You mustn't cross the road when the traffic light is red